from flask_sqlalchemy import SQLAlchemy

db = SQLAlchemy()

class classes(db.Model):
    uuid = db.Column(db.Text, primary_key=True, unique=True)
    classid = db.Column(db.Integer, unique=True, nullable=False)
    classname = db.Column(db.Text, nullable=False)
    create_time = db.Column(db.DateTime, nullable=False)
